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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 4: 3000cm=–.m 2m75cm=–cm

Toán Lớp 4: 3000cm=………m
2m75cm=……..cm

Comments ( 2 )

  1. Giải đáp:
    Ta có: 1 m = 100 cm.
    Vậy:
    3000 cm = (3000 : 100) m = 30 m
    2m 75 cm = (2 × 100 + 75) cm = (200 + 75) cm = 275 cm
    Vậy 3000 cm = 30 m; 2m 75cm = 275 cm.
    Chúc học tốt!!!
     
     

  2. 3000 cm = 30 m
    2 m 75 cm = 275 cm
    Vì 1 m = 100 cm.

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222-9+11+12:2*14+14 = ? ( )